A Heading Maintaining Oriented Compression Algorithm for GPS Trajectory Data
Volume 30, Issue 1 (2019), pp. 33–52
Pub. online: 1 January 2019
Type: Research Article
Open Access
Received
1 October 2017
1 October 2017
Accepted
1 November 2018
1 November 2018
Published
1 January 2019
1 January 2019
Abstract
The raw trajectories contain large amounts of redundant data that bring challenges to storage, transmission and processing. Trajectory compression algorithms can reduce the number of positioning points while minimizing the loss of information. This paper proposes a heading maintaining oriented trajectory compression algorithm, which takes into account both position information and direction information. By setting an angle threshold, the algorithm can achieve a more accurate approximation of trajectories than traditional position-preserving trajectory compression algorithms. The experimental results show that the algorithm can ensure certain effect on the direction information and is more flexible.
References
Muckell, J., Hwang, J.-H., Patil, V., Lawson, C.T., Ping, F., Ravi, S.S. (2011). SQUISH: an online approach for GPS trajectory compression. In: Proceedings of the 2nd International Conference and Exhibition on Computing for Geospatial Research & Application, COM.Geo 2011, Washington, DC, USA, May, pp. 23–25.
Biographies
Hao Pengfei
P. Hao, born in 1991, MS candidate. His research interests include data mining.
Yao Chunlong
C. Yao, born in 1971, PhD, professor. His research interests include database theory and application, data mining, intelligent transportation.
Meng Qingbin
Q. Meng, born in 1991, MS, professor. His research interests include data mining.
Yu Xiaoqiang
X. Yu, born in 1974, PhD, associate professor. His research interests include computer application.
Li Xu
X. Li, born in 1981, PhD, associate professor. Her research interests include machine learning.